20010222210 has 64 divisors (see below), whose sum is σ = 55147806720. Its totient is φ = 4595647680.

The previous prime is 20010222179. The next prime is 20010222299. The reversal of 20010222210 is 1222201002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1589442 + ... + 1601981.

It is an arithmetic number, because the mean of its divisors is an integer number (861684480).

Almost surely, 2^20010222210 is an apocalyptic number.

20010222210 is an abundant number, since it is smaller than the sum of its proper divisors (35137584510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010222210 is a wasteful number, since it uses less digits than its factorization.

20010222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191463.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20010222210 its reverse (1222201002), we get a palindrome (21232423212).

The spelling of 20010222210 in words is "twenty billion, ten million, two hundred twenty-two thousand, two hundred ten".